<template>
  <div class="permission-container">
    <div class="app-container">
      <!-- 表格 -->
      <el-card>
        <div style="text-align: right; margin-bottom: 20px">
          <el-button
            type="primary"
            size="small"
            @click="add(1, '')"
          >添加权限</el-button>
        </div>
        <!-- 树形table -->
        <el-table
          :data="prtList"
          border
          style="width: 100%; margin-bottom: 20px"
          row-key="id"
          default-expand-all
          :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
        >
          <el-table-column prop="name" label="名称" />
          <el-table-column prop="code" label="标识" />
          <el-table-column prop="description" label="描述" />
          <el-table-column label="操作">
            <template slot-scope="{ row }">
              <!-- <el-button v-if="row.type === 1" type="text">添加</el-button> -->
              <el-button
                :disabled="row.type !== 1"
                type="text"
                @click="add(2, row.id)"
              >添加</el-button>
              <el-button type="text" @click="edit(row)">编辑</el-button>
              <el-button type="text" @click="del(row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-card>

      <!-- 添加按钮和页面的权限 -->
      <el-dialog
        :visible.sync="showDialog"
        :title="isEdit ? '编辑权限' : '添加权限'"
        @close="close"
      >
        <!-- 表单内容 -->
        <el-form label-width="100px">
          <el-form-item label="权限名称">
            <el-input v-model="formData.name" />
          </el-form-item>
          <el-form-item label="权限标识">
            <el-input v-model="formData.code" />
          </el-form-item>
          <el-form-item label="权限描述">
            <el-input v-model="formData.description" />
          </el-form-item>
          <el-form-item label="权限启用">
            <el-switch
              v-model="formData.enVisible"
              active-text="启用"
              active-value="1"
              inactive-text="不启用"
              inactive-value="0"
            />
          </el-form-item>
        </el-form>

        <template #footer>
          <div style="text-align: right">
            <el-button @click="showDialog = false">取消</el-button>
            <el-button type="primary" @click="submit">确定</el-button>
          </div>
        </template>
      </el-dialog>
    </div>
  </div>
</template>

<script>
import {
  getPermissionList,
  addPermission,
  delPermission,
  updatePermission
} from '@/api/permission.js'
import arrayToTree from 'array-to-tree'

export default {
  name: '',
  data() {
    return {
      prtList: [],
      showDialog: false, // 是否显示弹层
      formData: {
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        enVisible: '0', // 开启
        pid: '', // 添加到哪个节点下
        type: '' // 类型
      },
      isEdit: true
    }
  },
  computed: {},
  created() {
    this.getPer()
  },
  methods: {
    async getPer() {
      const res = await getPermissionList()

      // this.prtList = res.data
      this.prtList = arrayToTree(res.data, {
        parentProperty: 'pid',
        customID: 'id'
      })
      console.log(this.prtList, 888)
    },
    add(type, pid) {
      this.showDialog = true
      this.formData.type = type
      this.formData.pid = pid
      console.log(`this.formData====`, this.formData)

      this.isEdit = false
    },
    async submit() {
      /*
        步骤：
        1-点击权限按钮  add()
          1-1 区分点击的是添加以及还是非一级  【type pid】
              页面权限：@click="add(1, '')"  按钮权限：@click="add(2, row.id)"
          1-2 获取传过来的type和pid
          1-3 显示对话框
        2-点击对话框确认按钮  submit()
          2-1  封装api接口函数  添加权限的api ===== addPermission
          2-2  调用 addPermission
          2-3  清空数据
          2-4  刷新页面
          2-5  关闭对话框
      */
      // 点击对话框表单按钮
      // console.log(`this.formData====`, this.formData)
      //  6-区别到底是发送添加的请求还是编辑的请求
      this.isEdit ? this.doEdit() : this.doAdd()
    },
    async doAdd() {
      const res = await addPermission(this.formData)
      this.getPer()
      this.showDialog = false
    },
    async doEdit() {
      await updatePermission(this.formData)
      this.getPer()
      this.showDialog = false
    },
    del(id) {
      this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(async() => {
          // 点击的是确认
          await delPermission(id)
          //  成功后
          this.getPer()
          this.$message({
            type: 'success',
            message: '删除成功!'
          })
        })
        .catch(() => {
          //  点击的是取消
          this.$message({
            type: 'info',
            message: '已取消删除'
          })
        })
    },

    edit(row) {
      /*
        步骤：
        1-区分isEdit
        2-根据isEdit设置title
        3-点击编辑表单有数据添加无数据
        4-关闭对话框 清空表单数据
        5-点击对话框确按钮
        6-区别到底是发送添加的请求还是编辑的请求
      */
      this.showDialog = true
      //   1-区分 isEdit
      this.isEdit = true
      //  3-点击编辑表单有数据添加无数据
      this.formData = JSON.parse(JSON.stringify(row))
    },
    close() {
      //   4-关闭对话框 请空表单数据
      this.formData = {
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        enVisible: '0', // 开启
        pid: '', // 添加到哪个节点下
        type: '' // 类型
      }
    }
  }
}
</script>
<style lang="less" scoped></style>
